AT&T, Sprint, and T-Mobile US numbers include Puerto Rico and U.S. Virgin Islands subscribers.

As of Q3 2013, approximately 591,000 Alltel subscribers (within the 26 markets formerly divested to ATN, Inc.) are included in AT&T Mobility's subscriber count. As mandated by the FCC, AT&T will continue to operate Alltel's CDMA2000 1xRTT and EV-DO networks for Alltel's existing customers, including roaming partners, until at least June 15, 2015.[89]